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52302 (1991 RL8)
Classification: Main-belt Asteroid          SPK-ID: 2052302
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1915707262019839 1.4712e-07  
a 2.295892394383848 1.2049e-08 AU
q 1.856066621110122 3.3514e-07 AU
i 7.376648024826252 9.8578e-06 deg
node 21.44133025146052 3.7644e-05 deg
peri 338.0457050367286 4.1659e-05 deg
M 246.7602622643111 2.3088e-05 deg
tp 2457400.188888619268
(2016-Jan-12.68888862)
8.3019e-05 JED
period 1270.649356666502
3.48
1.0003e-05
2.739e-08
d
yr
n .2833197043002058 2.2304e-09 deg/d
Q 2.735718167657573 1.4358e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      685  
   data-arc span      8321 days (22.78 yr)  
   first obs. used      1991-09-12  
   last obs. used      2014-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60219  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 13:38:36  

Additional Information
 Earth MOID = .855677 AU 
 T_jup = 3.559 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8 mag n/a MPO257213  

52302 (1991 RL8)          Discovered 1991-Sep-12 by Holt, H. E. at Palomar (675)
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 RL8 = 1998 SF5 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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